Question

Traffic jams are a long line of vehicles in which many vehicles get stuck in traffic

jams. It is one of the major problems of city life. It occurs in big cities and towns.

There are many causes of traffic jams. The main cause of traffic jam is the

narrowness of roads in proportion to the large number of vehicles. Our vehicles have

increased but our roads have not increased. The numbers of unlicensed vehicles are

increasing day by day.

a) Name the process that causes the smoke production.

b) Which system of our body will get most affected by this smoke?

c) Classify the fuel used in vehicles on the basis of their availability.

d) Name the cleaner fuel which can be used in the vehicles.​

Answer 1

Answer:

traffic

please mark as best answer and thank

Answer 2

The answer is Combustion